--- title: "BIP39 Word #311: chat — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/chat/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #311 00100110110 # chat — BIP39 word #311 "**chat**" is word #311 of the 2048 words in the official BIP39 English wordlist, between [chase](/bip39-word/chase/) and [cheap](/bip39-word/cheap/). In a seed phrase it stands for the 11-bit value `00100110110`, decimal index 310\. /ʧæt/ · _verb:_ to talk in a friendly and informal way [Russian](/ru/ "The BIP39 wordlist with Russian translations"): чат ## Binary Representation Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits. One wrong bit turns it into (leftmost bit first): [plug](/bip39-word/plug/)[grocery](/bip39-word/grocery/)[almost](/bip39-word/almost/)[cycle](/bip39-word/cycle/)[conduct](/bip39-word/conduct/)[carpet](/bip39-word/carpet/)[cave](/bip39-word/cave/)[chief](/bip39-word/chief/)[chaos](/bip39-word/chaos/)[charge](/bip39-word/charge/)[cheap](/bip39-word/cheap/) Position Hex Index 0x136 4-Letter Prefix chat ## About "chat" in BIP39 - It takes all four letters to identify "chat": **"cha"** also begins 8 other words, among them [chair](/bip39-word/chair/), [chalk](/bip39-word/chalk/), [champion](/bip39-word/champion/) and [change](/bip39-word/change/). - **"chat"** is unique only within the English list: it also begins chaton in the [French list](/french/), chatice in the [Portuguese list](/portuguese/) and chata in the [Czech list](/czech/), so a four-letter backup should say which list it uses. - "chat" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #22 (word 7 of 12). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words. Official test vector #22 [vessel](/bip39-word/vessel/) [ladder](/bip39-word/ladder/) [alter](/bip39-word/alter/) [error](/bip39-word/error/) [federal](/bip39-word/federal/) [sibling](/bip39-word/sibling/) chat [ability](/bip39-word/ability/) [sun](/bip39-word/sun/) [glass](/bip39-word/glass/) [valve](/bip39-word/valve/) [picture](/bip39-word/picture/) ## Word #311 in the Other 9 BIP39 Wordlists [Czech](/czech/) elektron [French](/french/) caféine [Italian](/italian/) carisma [Japanese](/japanese/) おんしゃ [Korean](/korean/) 냄새 [Portuguese](/portuguese/) bochecha [Spanish](/spanish/) caimán [Traditional Chinese](/chinese-traditional/) 風 [Simplified Chinese](/chinese-simplified/) 风 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "chat" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [cat](/bip39-word/cat/)[hat](/bip39-word/hat/)[that](/bip39-word/that/)[what](/bip39-word/what/) Read aloud, "chat" /ʧæt/ is one sound away from this word: [fat /fæt/](/bip39-word/fat/) Words sharing the first three letters "cha": [chair](/bip39-word/chair/)[chalk](/bip39-word/chalk/)[champion](/bip39-word/champion/)[change](/bip39-word/change/)[chaos](/bip39-word/chaos/)[chapter](/bip39-word/chapter/)[charge](/bip39-word/charge/)[chase](/bip39-word/chase/) ## More BIP39 Words Starting with "C" [ #307 chaos ](/bip39-word/chaos/)[ #308 chapter ](/bip39-word/chapter/)[ #309 charge ](/bip39-word/charge/)[ #310 chase ](/bip39-word/chase/)[ #312 cheap ](/bip39-word/cheap/)[ #313 check ](/bip39-word/check/)[ #314 cheese ](/bip39-word/cheese/)[ #315 chef ](/bip39-word/chef/) [View all words starting with "C" ](/bip39-words/c/) ## Seed phrase, key and recovery guides - [What Is a Seed Phrase? How a Recovery Phrase Works](/recovery-seed-phrase-guide/) - [What Is a Bitcoin Address and How Does It Work?](/what-is-a-bitcoin-address/) - [How to Generate a BIP39 Seed Phrase with Dice, Step by Step](/seed-phrase-with-dice/) [ Full BIP39 Wordlist ](/)